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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="jquery-1.4.4.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#bt1").click(function () {
$("#b").text(($("#a").attr("id")));
alert($("#b").text());
})
})
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="a" style="width:150px; height:150px; background-color:Red;">
</div>
<div id="b" style="width:150px; height:150px; background-color:black; color:White;">
</div>
<input type="button" value="获取" id="bt1"/>
</form>
</body>
</html>